Midland Industries
Midland Red Brass Cored Square Head Plugs
- Availability:
- Allow 2-3 Days to Ship
- Weight:
- 0.00 LBS
Description
Midland Red Brass Cored Square Head Plugs
Midland Red Brass Cored Square Head Plugs are precision-machined threaded fittings designed to securely seal compatible female threaded pipe openings in plumbing, HVAC, industrial, and general fluid handling systems.
Manufactured from high-quality domestic red brass, these plugs provide excellent corrosion resistance and dependable long-term performance. The cored body helps reduce material weight while maintaining structural integrity, and the square head provides a positive wrenching surface for installation and removal.
Product Highlights
- Red brass cored square head plug
- Domestic red brass construction
- Male NPT threaded connection
- Cored body design
- Square head for positive wrench engagement
- Precision-machined NPT threads
- Excellent corrosion resistance
- Good resistance to dezincification
- Available in multiple nominal pipe sizes
- Suitable for plumbing, HVAC, industrial, and fluid handling systems
Technical Specifications
| Product Type | Cored Square Head Pipe Plug |
|---|---|
| Brand | Midland |
| Material | Domestic Red Brass |
| Connection Type | Male NPT |
| Thread Type | NPT |
| Head Style | Square Head |
| Body Style | Cored |
| Available Sizes | Multiple Nominal Pipe Sizes |
| Primary Function | Sealing Compatible Female Threaded Pipe Openings |
| Typical Applications | Plumbing, HVAC, Industrial, Mechanical, and General Fluid Handling Systems |
Plug Configuration
Male NPT Thread
The plug features a precision-machined male NPT connection for installation into a compatible female threaded pipe, fitting, valve, manifold, or equipment port.
Cored Red Brass Body
The cored construction reduces material weight while maintaining the structural integrity needed for compatible threaded piping applications.
Square Wrenching Head
The integral square head provides a positive gripping surface for controlled installation, tightening, inspection, and removal with an appropriate wrench.
Construction Details
Midland Red Brass Cored Square Head Plugs are manufactured from premium domestic red brass for dependable strength, corrosion resistance, and long service life in compatible piping systems.
The cored body reduces unnecessary material while maintaining fitting integrity, making the plug lighter than a comparable solid-body configuration.
Precision-machined male NPT threads provide secure engagement with compatible female threaded components, while the square head provides positive wrench contact during installation and removal.
Why Choose a Cored Square Head Plug?
Cored Body Design
- Reduces material weight
- Maintains dependable structural integrity
- Provides a compact threaded closure
- Suitable for maintenance and repair applications
- Available in multiple nominal pipe sizes
Square Head Design
- Provides positive wrench engagement
- Allows controlled installation
- Simplifies removal during maintenance
- Creates a removable threaded closure
- Useful for future system access
NPT Threaded Connection
Male NPT
Each plug uses a male NPT thread designed to install into a compatible female NPT opening of the corresponding nominal pipe size.
Thread Sealing
Use an appropriate thread sealant or PTFE tape where required by the application to help provide a secure, leak-resistant threaded connection.
Typical Applications
Plumbing & HVAC
- Threaded plumbing systems
- HVAC piping
- Mechanical systems
- Unused fitting openings
- Equipment connections
Industrial & General Service
- Industrial piping systems
- Valve and manifold ports
- Fluid handling equipment
- Maintenance and repair
- Compatible general-purpose piping systems
Size Selection
Midland Red Brass Cored Square Head Plugs are available in multiple nominal pipe sizes.
Confirm the required nominal pipe size and verify that the mating component uses a compatible female NPT thread before ordering.
Our pipe and fitting specialists can help review your nominal pipe size, female NPT connection, system media, pressure, temperature, material compatibility, and installation requirements before you order.
Email the GetPipe.com Team Visit Quick SupportFrequently Asked Questions
What material are these plugs made from?
They are manufactured from domestic red brass.
What type of connection do they use?
They use male NPT threaded connections.
What does cored mean?
Cored refers to the internal body design, which reduces material weight while maintaining fitting integrity.
What is a square head plug used for?
A square head plug is used to seal a compatible female threaded pipe, fitting, valve, manifold, or equipment opening.
Why does the plug have a square head?
The square head provides a positive wrenching surface for controlled installation and removal.
Are multiple sizes available?
Yes. Midland Red Brass Cored Square Head Plugs are available in multiple nominal pipe sizes.
Why use red brass?
Red brass provides dependable strength along with excellent corrosion and dezincification resistance in compatible piping systems.
Should thread sealant be used?
Use an appropriate thread sealant or PTFE tape on the male NPT connection according to the application requirements.
Can the plug be removed later?
Yes. The threaded square head design allows the plug to be removed for maintenance, inspection, repair, or future system modifications.
What should I verify before ordering?
Confirm the nominal pipe size, mating female NPT thread, system pressure, temperature, media compatibility, and installation requirements.
Important Ordering & Installation Notes
- This listing is for Midland Red Brass Cored Square Head Plugs.
- Available in multiple nominal pipe sizes.
- Each plug uses a male NPT threaded connection.
- Verify the mating opening uses a compatible female NPT thread.
- The cored body design reduces material weight while maintaining fitting integrity.
- Use an appropriate thread sealant or PTFE tape where required.
- Use the square head as the primary wrenching surface.
- Avoid excessive tightening that could damage the plug or mating threads.
- Verify red brass is suitable for the intended media and operating environment.
- Confirm pressure and temperature requirements before installation.
- Inspect the male and female threads for damage or contamination before assembly.
- Support connected piping or equipment as required to avoid excessive mechanical loading.
- Check completed connections for leakage before placing the system into service.
- This listing is for the plug only unless otherwise specified.
- Install according to accepted piping practices and Midland manufacturer recommendations.
